With this link http://www.85b.org/bra_calc.php
This is an international guide to bra sizes.
How Can We Know The Sizes Of Uk Bra For Indian Lady?
This is difficult as all countries and cultures have different measurements. Here we measure in inches for around with out considering breast and breast a cup sizes. Go figure. So is I tell some one I am 42 inch they automatically think I have large breasts. Also, depends on the company who produces them and so on